<require>Tween $ evalCss each methods easing random</require>

<style>
    body,
    html {
        background: #18212d;
    }

    body {
        position: absolute;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 100%;
        flex-wrap: wrap;
        color: white;
        font-family: 'Circular', sans-serif;
        -webkit-font-smoothing: antialiased;
    }

    #container {
        min-width: 400px;
        position: relative;
    }

    #block {
        width: 40px;
        height: 40px;
        position: absolute;
        left: 0;
        top: 0;
        background: #fed477;
        line-height: 40px;
        text-align: center;
    }

    #progress {
        margin-top: 100px;
        width: 375px;
        cursor: pointer;
    }

    #buttons {
        margin-top: 10px;
    }

    button {
        background: #d97c98;
        color: #fff;
        padding: 1em 2em;
        border: 1px solid #fff;
        cursor: pointer;
        outline: none;
        margin-right: 5px;
    }
</style>

<template id="bodyTpl">
    <div id="container">
        <div id="block"></div>
        <input id="progress" type="range" value="0" min="0" max="100" />
        <div id="buttons">
            <button id="play">PLAY</button>
            <button id="pause">PAUSE</button>
            <button id="restart">RESTART</button>
        </div>
    </div>
</template>

<script>
    evalCss(style);
    $('body').html(bodyTpl);

    var block = $('#block').get(0);

    var tween = new Tween({
        left: 0,
        top: 0,
        size: 40,
        rotate: 0
    });

    var $progress = $('#progress'),
        progress = $progress.get(0);

    tween.on('update', function(target) {
        block.style.transform =
            'translateX(' +
            target.left +
            'px) ' +
            'translateY(' +
            target.top +
            'px) ' +
            'scale(' +
            target.size / 40 +
            ') ' +
            'rotate(' +
            Math.floor(target.rotate) +
            'deg)';

        progress.value = tween.progress() * 100;
    });

    var easingNames = methods(easing);

    tween.to(
        {
            left: 300,
            top: -25,
            size: 100,
            rotate: 360
        },
        1500,
        easingNames[random(0, easingNames.length - 1)]
    );

    $('#play').on('click', function() {
        tween.play();
    });

    $('#pause').on('click', function() {
        tween.pause();
    });

    $('#restart').on('click', function() {
        tween.pause();
        setTimeout(function() {
            tween.progress(0);
            tween.play();
        }, 100);
    });

    $progress.on('input', function() {
        tween.pause();
        tween.progress(progress.value / 100);
    });
</script>
